B modeling
==============


.. image:: images/1000000000000181000001894D38176F1825E4FD.png
    :width: 3.6083in
    :height: 3.6835in


.. _RefImage_1000000000000181000001894D38176F1825E4FD.png:


Characteristics of B modeling
-------------------------------------

Mesh composed of HEXA20 elements


Characteristics of the mesh
----------------------------

Number of knots: 815

Number of meshes and type: 160 HEXA20


Tested sizes and results
------------------------------

(Frequencies in hertz)


.. csv-table::

    "**Identification**
    **mode number**", "**Reference**", "**Code_Aster**", "**% difference**"
    "1", "2.47035 E3", "2.46964", "-0.029"
    "2", "2.47035 E3", "2.46964", "-0.029"
    "3", "2.47101 E3", "2.47084", "-0.007"
    "4", "2.47101 E3", "2.47084", "-0.007"
    "5", "2.47101 E3", "2.47084", "-0.007"
    "6", "2.61296 E3", "2.61344", "0.019"
    "7", "2.61296 E3", "2.61344", "0.019"
    "8", "2.61430 E3", "2.61345", "-0.033"
    "9", "2.61430 E3", "2.61364", "-0.025"
    "10", "2.61430 E3", "2.61364", "-0.025"



notes
---------

*Code_Aster* well detects the 6 rigid body modes.